Update the configuration to include the metric_prefix option

[FlorentClarret]

What does this PR do?

Update the configuration to include the metric_prefix option

Motivation

Added in the base check in #16958

Additional Notes

Noticed we forgot it working on a support case

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Changelog entries must be created for modifications to shipped code
• Add the qa/skip-qa label if the PR doesn't need to be tested during QA.

[github-actions]

The validations job has failed; please review the Files changed tab for possible suggestions to resolve.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.97%. Comparing base (5132145) to head (165bcbf).
Report is 9 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
activemq	?
cassandra	?
clickhouse	95.65% <ø> (?)
confluent_platform	?
hive	?
hivemq	?
ignite	?
jboss_wildfly	?
kafka	?
mysql	87.58% <ø> (?)
oracle	88.54% <ø> (?)
presto	?
sap_hana	91.37% <ø> (?)
singlestore	90.81% <ø> (ø)
snowflake	96.27% <ø> (ø)
solr	?
sqlserver	90.00% <ø> (?)
teradata	94.05% <ø> (ø)
vertica	98.34% <ø> (ø)
voltdb	97.27% <ø> (+0.41%)	⬆️
weblogic	?

Flags with carried forward coverage won't be shown. Click here to find out more.

[github-actions]

Test Results

  105 files    105 suites   1h 21m 58s ⏱️
  656 tests   641 ✅  15 💤 0 ❌
4 951 runs  4 618 ✅ 333 💤 0 ❌

Results for commit 165bcbf.

♻️ This comment has been updated with latest results.

[cswatt]

looks good for docs